EP1562750A1 - Multilayer planar or tubular foodstuff wrapping or film - Google Patents
Multilayer planar or tubular foodstuff wrapping or filmInfo
- Publication number
- EP1562750A1 EP1562750A1 EP03732548A EP03732548A EP1562750A1 EP 1562750 A1 EP1562750 A1 EP 1562750A1 EP 03732548 A EP03732548 A EP 03732548A EP 03732548 A EP03732548 A EP 03732548A EP 1562750 A1 EP1562750 A1 EP 1562750A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- layer
- outside contains
- component
- layer component
- adhesion promoter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- A—HUMAN NECESSITIES
- A22—BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
- A22C—PROCESSING MEAT, POULTRY, OR FISH
- A22C13/00—Sausage casings
- A22C13/0013—Chemical composition of synthetic sausage casings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1324—Flexible food casing [e.g., sausage type, etc.]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/1379—Contains vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit
- Y10T428/1383—Vapor or gas barrier, polymer derived from vinyl chloride or vinylidene chloride, or polymer containing a vinyl alcohol unit is sandwiched between layers [continuous layer]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
- Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
- Y10T428/139—Open-ended, self-supporting conduit, cylinder, or tube-type article
- Y10T428/1393—Multilayer [continuous layer]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31725—Of polyamide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31725—Of polyamide
- Y10T428/31739—Nylon type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31725—Of polyamide
- Y10T428/31739—Nylon type
- Y10T428/31743—Next to addition polymer from unsaturated monomer[s]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31725—Of polyamide
- Y10T428/3175—Next to addition polymer from unsaturated monomer[s]
Definitions
- the present invention relates to a multilayer flat or tubular food casing or film for food packaging, such as sausage casings, shrink bags or the like, according to the preamble of claim 1.
- sausage casings or artificial casings are used for packaging sausages or pasty things.
- the product to be packaged such as a sausage mass
- the product to be packaged is filled into the artificial casing, brewed, cooled and stored in it.
- requirements such as, for example, a pronounced dimensional stability over the entire processing process or adequate protection of the filling material from external influences, such as, for example, oxygen access, UV radiation, drying out or the like.
- the classic sausage casings known from practice can be roughly divided into three types:
- the classic single-layer sausage casing made of polyamide the main disadvantage of which is the lack of water vapor barrier.
- a multiple used sausage casing from three layers which, viewed from the outside in, contain polyamide, polyolefin, preferably polyethylene, polyamide.
- the lack of water vapor in the single-layer sausage casing is formed by the middle polyolefin layer.
- the inner layer made of polyamide ensures sufficient meat cling and that there is no precipitation or settling of jelly.
- This polyamide layer can also be replaced by an appropriately pretreated (corona) PE layer, in which case the PE layer must be modified in order to establish a satisfactory connection with the PA.
- sausage casings with five layers have proven themselves in practice.
- the five layers counted from the outside inward contain PA, an adhesion promoter, PE, an adhesion promoter and finally the PA again.
- This structure corresponds to the approach of the sausage casing made of three layers, but has a separate adhesive layer or a separate adhesion promoter between PA and PE or PE and PA.
- This means that the middle polyolefin layer can be varied more in relation to the raw materials or mixtures used.
- the oxygen barrier available as well as the aroma barrier are not yet sufficiently dense.
- a multilayer sheet-like or tubular food casing or film for food packaging such as sausage casings, shrink bags or the like, is proposed, which is characterized for the first time by a layer structure with at least five, preferably at least seven, layers, one of the at least five layers contains PVA as a layer component.
- the first layer from the outside contains polyamide as the layer component, the second Layer PVA, the third layer an adhesion promoter, the fourth layer a polyolefin, preferably polyethylene, the fifth layer an adhesion promoter and the sixth layer from the outside, which is also the innermost layer or the layer facing the food to be packaged, as a layer component Polyamide, or b) the first layer from the outside contains polyamide as the layer component, the second layer PVA, the third layer polyamide, the fourth layer an adhesion promoter, the fifth layer a polyolefin, preferably polyethylene, the sixth layer an adhesion promoter and the seventh Layer from the outside, the train the innermost layer or the layer facing the food to be packaged is a polyamide as a layer component, or c) the first layer from the outside contains polyamide as a layer component
- the first layer contains a polyolefin, preferably polyethylene, as a layer component
- the second layer contains an adhesion promoter
- Layer polyamide, the fourth layer PVA, the fifth layer polyamide, the sixth layer an adhesion promoter, and the seventh layer from the outside which is also the innermost layer, a polyolefin, preferably polyethylene, or b) the first layer from the outside as Layer component PET, the second
- the first Layer from the outside as a layer component is a polyolefin, preferably polyethylene, the second layer EVA, the third layer one
- PVA advantageously results in the desired high oxygen barrier with a significantly improved aroma barrier. Furthermore, a smoother and softer film is achieved, which is significantly improved in terms of its mechanical further processability.
- PVA is understood to mean polyvinyl alcohol, which can also be shortened with PVOH or PVAL.
- PVA is understood to mean both PVA and mixtures of PVA with other polymers.
- the PA enables the desired mechanical properties to be ensured.
- the PE can have a positive effect on sealability. Furthermore, with EVA there is a high shrinkage as well as a further influence on the mechanical properties, whereby an electron beam treatment must also be provided.
- the polyolefins include PE and PP as well as EVA and EM (M) A in the sense of this application and mixtures of polyolefins as such and with ionomers.
- the adhesion promoters (short: HV) stand for an adhesive layer.
- PA generally stands for PA and for PA 6, PA 66, PA 6/66, PA 6/12 or the like as well as for mixtures thereof and for mixtures of PA with other polymers.
- EVA stands for EVA as well as for mixtures of EVA with polymers.
- a particularly high shrinkage can advantageously be achieved with the layer structures proposed for the first time, which is at least 20 to 60%, preferably at least 30 to 50%, at a water temperature of around 95 ° C.
- the overexpansion factor available at the same time for sausage casings and shrink bags is at least 5 to 15%, preferably 10 to 12%.
- the layer structures proposed for the first time can advantageously be, for example, a polyolefin, preferably PE, LLDPE, as the raw material.
- EVA or ionomers or mixtures thereof or the like can be provided.
- Oxygen barrier ensures that the food packaged with it, in particular sausage mass in the sausage casing, has an excellent shelf life for more than six weeks without any reduction in quality.
- the food packaging or film according to the invention makes it possible for the first time to provide food packaging with which even items that are particularly sensitive to air, for example, are not subject to a change in color or run the risk of oxygen entering, even during long storage periods age or change their taste.
- the layer component PVA is embedded like a sandwich between two layers with polyamide as the layer component, which leads to the highest possible oxygen barrier and at the same time an excellent embedding and stabilization of the PVA layer between the two polyamide layers Carrier layers guaranteed.
- the food casing or film according to the invention is also suitable as a shrink film and can also be sealed well when glued. If the inventive food pouch or film is used as a sausage casing, pure gluing is also possible without any problems.
- the outermost layer of the food casing or film proposed for the first time is particularly easy to label or print.
- the food casing or film according to the invention can be produced and processed particularly well with corresponding systems from the same applicant.
- Layers which contain polypropylene or polyolefin as a layer constituent alternatively also contain polypropylene, EVA (ethyl vinyl alcohol), EM (M) A, ionomers or mixtures of these or the like.
- EVA ethyl vinyl alcohol
- M EM
- Layers that contain an adhesion promoter have an adhesion promoter that is based on PE, EVA, EM (M) A or an ionomer as the base material. According to a further preferred embodiment, it is provided that layers which have an adhesion promoter as a component alternatively contain a mixture of polyolefin and adhesion promoter or a mixture of EVA and / or EM (M) A and adhesion promoter.
- layers which have PVA as a layer component alternatively contain MXD6 (modified polyamide 6).
- Food casing or film is provided that layers which contain polyamide as a layer component alternatively contain an ionomer.
- layers which contain polyamide as a layer component alternatively contain MXD6.
- layers which contain polyamide as a layer component contain polycaprolactam (PA 6), polyhexamethylene adipamide (PA 66), PA 6/66, PA 11, PA 12 or mixtures of these polyamides or the like.
- a flat or tubular food casing or film with an at least five-layer, preferably at least seven-layer, layer structure is proposed.
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI200331340T SI1562750T1 (en) | 2002-11-20 | 2003-06-06 | Multilayer planar or tubular foodstuff wrapping or film |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10254172 | 2002-11-20 | ||
DE10254172A DE10254172B4 (en) | 2002-11-20 | 2002-11-20 | Multilayered, surface or tubular food casing or film |
PCT/EP2003/005984 WO2004045852A1 (en) | 2002-11-20 | 2003-06-06 | Multilayer planar or tubular foodstuff wrapping or film |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1562750A1 true EP1562750A1 (en) | 2005-08-17 |
EP1562750B1 EP1562750B1 (en) | 2008-06-04 |
Family
ID=32308612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03732548A Expired - Lifetime EP1562750B1 (en) | 2002-11-20 | 2003-06-06 | Multilayer planar or tubular foodstuff wrapping or film |
Country Status (12)
Country | Link |
---|---|
US (1) | US7501168B2 (en) |
EP (1) | EP1562750B1 (en) |
AT (1) | ATE397527T1 (en) |
AU (1) | AU2003238483B2 (en) |
BR (1) | BR0316717B1 (en) |
DE (2) | DE10254172B4 (en) |
DK (1) | DK1562750T3 (en) |
ES (1) | ES2305466T3 (en) |
PT (1) | PT1562750E (en) |
RU (1) | RU2315785C2 (en) |
SI (1) | SI1562750T1 (en) |
WO (1) | WO2004045852A1 (en) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMI20031203A1 (en) * | 2003-06-13 | 2004-12-14 | Tecno Coating Engineering S R L | MULTILAYER HEAT-SHRINKABLE FILM WITH OXYGEN AND WATER VAPOR BARRIER, IMPROVED MECHANICAL RESISTANCE AND GOOD OPTICAL CHARACTERISTICS AND REDUCED CURLING EFFECT |
DE102005037275A1 (en) * | 2005-08-08 | 2007-02-22 | Kalle Gmbh | Multilayer food casing with at least one layer based on a polyester / polyamide mixture |
DE202006020148U1 (en) | 2006-08-07 | 2007-12-06 | Kuhne Anlagenbau Gmbh | Multilayered surface or tubular food casing or film |
DE202006020560U1 (en) * | 2006-09-29 | 2008-12-24 | Kuhne Anlagenbau Gmbh | Multilayered surface or tubular food casing or film |
JP5283838B2 (en) * | 2006-11-04 | 2013-09-04 | 日東電工株式会社 | Thermally peelable pressure-sensitive adhesive sheet and adherend recovery method |
DE102008062937A1 (en) * | 2008-12-23 | 2010-07-01 | Kuhne Anlagenbau Gmbh | Multilayer, tubular food film |
US20110151158A1 (en) * | 2009-05-26 | 2011-06-23 | Stall Alan D | Method of making a food casing |
US8377529B2 (en) * | 2009-07-28 | 2013-02-19 | Cryovac, Inc. | Ultra high barrier aseptic film and package |
US8834977B2 (en) | 2011-10-20 | 2014-09-16 | Scholle Corporation | Coextruded film and bags made therefrom suitable for bag in box containers and method of manufacturing the coextruded film |
US9624019B2 (en) | 2012-11-09 | 2017-04-18 | Winpak Films Inc. | High oxygen and water barrier multilayer film |
US20180264787A1 (en) | 2014-10-03 | 2018-09-20 | E I Du Pont De Nemours And Company | Multilayer food casing or food film |
UA127936C2 (en) | 2019-05-03 | 2024-02-14 | Куне Анлагенбау Гмбх | Method for producing a multi-layer composite film, multi-layer composite film, and use thereof |
DE102020111879A1 (en) | 2020-04-30 | 2021-11-04 | Kuhne Anlagenbau Gmbh | Process for the production of a multilayer composite film, multilayer composite film and the use thereof |
DE102023110789A1 (en) | 2022-05-03 | 2023-11-09 | Reifenhäuser GmbH & Co. KG Maschinenfabrik | Method for adjusting shrinkage properties of a plastic material, plastic molding system and plastic film |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ZA72114B (en) | 1971-02-08 | 1972-09-27 | Freudenberg C | Water vapour impermeable sausage casing material |
DE3212343A1 (en) * | 1982-04-02 | 1983-10-13 | Hoechst Ag, 6230 Frankfurt | Tubular packaging casing made from a two-layer film laminate |
GB8617535D0 (en) * | 1986-07-17 | 1986-08-28 | Du Pont Canada | Gas barrier structures |
EP0372489B1 (en) | 1988-12-05 | 1995-03-15 | Mitsubishi Chemical Corporation | Moistureproof film |
DE4017046A1 (en) | 1990-05-26 | 1991-11-28 | Hoechst Ag | MULTILAYER, TUBULAR PACKAGING |
GB2248651B (en) | 1990-09-26 | 1994-09-07 | Kenneth Marden Henfrey | Drive mechanism for vertically rotating beams/traffic barriers |
DE69128524T2 (en) * | 1990-10-17 | 1998-04-16 | Mitsubishi Chem Corp | HEAT AND MOISTURE-RESISTANT FILM |
CA2040064C (en) * | 1990-11-16 | 2000-06-13 | Gloria G. Toney | Barrier film with improved extensibility for cheese packaging |
DE4123127C2 (en) * | 1991-07-12 | 1996-06-20 | Hoechst Ag | Multi-layer composite film with improved gas barrier effect |
WO1996016799A1 (en) * | 1994-12-02 | 1996-06-06 | Mobil Oil Corporation | Heat sealable multilayer film containing polyvinyl alcohol layer |
DE19529603A1 (en) * | 1995-08-11 | 1997-02-13 | Wolff Walsrode Ag | Polyamide sausage casing with improved peeling characteristics |
US6177159B1 (en) * | 1996-06-10 | 2001-01-23 | Sumitomo Bakelite Company Limited | Composite sheet for food container |
US5843502A (en) | 1996-06-26 | 1998-12-01 | Cryovac, Inc. | Package having cooked food product packaged in film having food adhesion layer containing high vicat softening point olefin/acrylic acid copolymer |
EP1018424B1 (en) | 1998-07-15 | 2005-12-28 | Idemitsu Kosan Co., Ltd. | Easily tearable laminated barrier film and bag product made using the same |
DE19943910A1 (en) | 1999-09-14 | 2001-03-15 | Wolff Walsrode Ag | Multi-layer biaxially stretched high-barrier plastic casing |
DE19943909A1 (en) * | 1999-09-14 | 2001-03-15 | Wolff Walsrode Ag | Multi-layer co-extruded biaxially stretched high barrier plastic casing with reduced adhesion to the filling material and its use as a food casing |
GB0023548D0 (en) * | 2000-09-26 | 2000-11-08 | Elopak Systems | A film |
-
2002
- 2002-11-20 DE DE10254172A patent/DE10254172B4/en not_active Withdrawn - After Issue
-
2003
- 2003-06-06 RU RU2005119198A patent/RU2315785C2/en not_active IP Right Cessation
- 2003-06-06 DK DK03732548T patent/DK1562750T3/en active
- 2003-06-06 AU AU2003238483A patent/AU2003238483B2/en not_active Ceased
- 2003-06-06 US US10/534,862 patent/US7501168B2/en not_active Expired - Fee Related
- 2003-06-06 PT PT03732548T patent/PT1562750E/en unknown
- 2003-06-06 EP EP03732548A patent/EP1562750B1/en not_active Expired - Lifetime
- 2003-06-06 AT AT03732548T patent/ATE397527T1/en active
- 2003-06-06 DE DE50309962T patent/DE50309962D1/en not_active Expired - Lifetime
- 2003-06-06 WO PCT/EP2003/005984 patent/WO2004045852A1/en active IP Right Grant
- 2003-06-06 ES ES03732548T patent/ES2305466T3/en not_active Expired - Lifetime
- 2003-06-06 SI SI200331340T patent/SI1562750T1/en unknown
- 2003-06-06 BR BR0316717A patent/BR0316717B1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2004045852A1 * |
Also Published As
Publication number | Publication date |
---|---|
BR0316717A (en) | 2005-10-18 |
RU2005119198A (en) | 2006-01-20 |
DE50309962D1 (en) | 2008-07-17 |
DE10254172A1 (en) | 2004-06-09 |
WO2004045852A1 (en) | 2004-06-03 |
PT1562750E (en) | 2008-08-05 |
US20060029821A1 (en) | 2006-02-09 |
US7501168B2 (en) | 2009-03-10 |
DK1562750T3 (en) | 2008-09-08 |
EP1562750B1 (en) | 2008-06-04 |
RU2315785C2 (en) | 2008-01-27 |
ES2305466T3 (en) | 2008-11-01 |
AU2003238483B2 (en) | 2007-02-15 |
BR0316717B1 (en) | 2013-12-10 |
ATE397527T1 (en) | 2008-06-15 |
SI1562750T1 (en) | 2008-10-31 |
AU2003238483A1 (en) | 2004-06-15 |
DE10254172B4 (en) | 2005-07-21 |
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